Ventura County Stream Gage Installation and Upgrade - CalSIP Upgrade
2 Documents in Project
Summary
SCH Number
2025121206
Public Agency
California Department of Water Resources
(DWR)
Document Title
Ventura County Stream Gage Installation and Upgrade - CalSIP Upgrade
Document Type
NOE - Notice of Exemption
Received
Posted
3/2/2026
Document Description
As part of the California Stream Gage Improvement Program, the California Department of Water Resources has executed a contract with the Ventura County Watershed Protection District to upgrade existing stream gage infrastructure at three sites and install one new stream gaging station. Proposed activities would include the installation of a radar gage on the Torrey Road Bridge structure to measure flows in the Santa Clara River, upgrade existing equipment and install a camera upstream of the existing station to measure flows in Hopper Creek, and upgrade existing stream gage equipment to measure flows in Arroyo Tapo at Walnut Avenue and Lake Casitas Dam. See attached Scope of Work for more detailed information.
Contact Information
Name
Brian Humphrey
Agency Name
California Dept. of Water Resources
Job Title
Sr. Environmental Scientist (Specialist)
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Piru, Simi Valley
Counties
Ventura
Regions
Countywide, Southern California
Cross Streets
Torrey Road, Walnut Ave.
State Highways
Highways 33, 118, and 126
Railways
Union Pacific
Schools
Valley View Middle School, Big Springs and Township Elementary
Waterways
Santa Clara River, Hopper Creek, Arroyo Tapo, Coyote Creek, Lake Casitas
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301. Exist. Facilities; 15302. Replacement or Reconstruction; 15306. Information Collection
Reasons for Exemption
Proposed installation of the new stream gage would take place on an existing bridge structure and the installation of the camera would take place outside the stream channel within a previously disturbed area. Proposed upgrades and maintenance activities would occur within the same footprint of the existing stream gage stations, and provide the same purpose. Proposed installations and upgrades provide real-time data, monitor hydrologic conditions, and provide hydrological information to the public. Proposed activities qualify for categorical exemptions 15301 (Existing Facilities), 15302 (Replacement or Reconstruction), and 15306 (Information Collection). Proposed activities will not result in a significant impact to the environment and none of the exceptions described in CEQA Guidelines Section 15300.2 apply. Furthermore, proposed activities would not result in additional ground disturbance or changes to the streambed or bank.
Attachments
Notice of Exemption
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